Orthology established by Zhao et al., 2015 (125 genes)

Orthology for nr4a1 ( Chr: 23 )
Orthology for nr4a2a ( Chr: 9 )
Orthology for nr4a2b ( Chr: 6 )
Orthology for nr4a3 ( Chr: 16 )
Orthology for nr5a1a ( Chr: 8 )
Orthology for nr5a1b ( Chr: 21 )
Orthology for nr5a2 ( Chr: 22 )
Orthology for nr6a1a ( Chr: 8 )
Orthology for nr6a1b ( Chr: 21 )
Orthology for pgr ( Chr: 18 )
Orthology for pparaa ( Chr: 4 )